Finding the Fourth Proportional to 291,909.93, 437,883.37 and 123,408.07
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Solution
The fourth proportional to 291,909.93, 437,883.37 and 123,408.07 is: 185,119.92
Step by Step Solution
- Step 1: Write the proportion equation
291,909.93 : 437,883.37 = 123,408.07 : x - Step 2: Convert to fraction form
291,909.93/437,883.37 = 123,408.07/x - Step 3: Cross multiply
291,909.93x = 437,883.37 × 123,408.07 - Step 4: Simplify right side
291,909.93x = 54,038,341,576.80 - Step 5: Solve for x
x = 54,038,341,576.80/291,909.93 - Step 6: Final answer
x = 185,119.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.